Patents Assigned to Chang Chun Petrochemical Co., Ltd.
  • Patent number: 11512196
    Abstract: The instant disclosure relates to a fluorine-containing ethylene-vinyl alcohol copolymer (EVOH) resin composition as well as mixture and blend thereof. The fluorine-containing EVOH resin composition comprises EVOH and fluorine-containing particles, wherein the fluorine-containing EVOH resin composition has a total fluoride ion content ranging from 45 to 41000 ppm. The invention can reduce the adhesion of EVOH to the inside of the extruder, and effectively reduce the appearance of gel or gelled substance in subsequent finished products.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: November 29, 2022
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Hou Hsi Wu, Yu Hsiu Li, Wen Hsin Lin
  • Patent number: 11492436
    Abstract: The present disclosure provides a modified polyvinyl alcohol-based polymer, which comprises a modifying monomer unit represented by Formula wherein, X is a moiety comprising an alkenyl group, and the modified polyvinyl alcohol-based polymer has a saponification degree of 67 mol % to 78 mol % and a modification rate of 0.02 mol % to 1.5 mol %. The modified polyvinyl alcohol-based polymer is suitable to be used as a dispersant for suspension polymerization, to make the obtained polyvinyl chloride-based resin have reduced particle diameter and few coarse particles.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: November 8, 2022
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Jyun-Ru Sun, Huan-Ming Chang, Cheng-Fan Wang, Chia-Hao Hsu
  • Patent number: 11492718
    Abstract: An electrodeposited copper foil includes a bulk copper foil. When a weight of the electrodeposited copper foil is increased to 105.0 wt % during a thermogravimetric analysis (TGA) performed on the electrodeposited copper foil at a heating rate of 5° C./min and an air flow rate of 95 mL/min, a heating temperature of the TGA is defined as T105.0 wt % and in a range of 550° C. to 750° C.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: November 8, 2022
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 11427663
    Abstract: The present disclosure provides ethylene-vinyl alcohol copolymer resin compositions, and multilayer structure comprising the ethylene-vinyl alcohol copolymer resin compositions with uniform thickness.
    Type: Grant
    Filed: January 7, 2022
    Date of Patent: August 30, 2022
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Chih Chieh Liang, Wen Hsin Lin
  • Patent number: 11426981
    Abstract: A polymer film comprising polyvinyl acetal and a laminated glass manufactured using the same are provided. At least one surface of the polymer film has a void volume (Vv) value at a material ratio of 10% ranging from 3 ?m3/?m2 to 34.3 ?m3/?m2, wherein the void volume (Vv) and material ratio are defined in accordance with ISO 25178-2:2012.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: August 30, 2022
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Tzu-Jung Huang, Chin-Yen Chang, Cheng-Fan Wang
  • Patent number: 11365486
    Abstract: Provided are an electrolytic copper foil, an electrode comprising the same, and a lithium ion battery comprising the same. The electrolytic copper foil has a drum side and a deposited side opposing to the drum side, wherein a nanoindentation hardness of the drum side is equal to or larger than 0.5 GPa and equal to or smaller than 3.5 GPa; and a lightness of the drum side is equal to or larger than 25 and equal to or smaller than 75.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: June 21, 2022
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Yao-Sheng Lai, Jian-Ming Huang, Kuei-Sen Cheng, Jui-Chang Chou
  • Patent number: 11362337
    Abstract: Provided are an electrodeposited copper foil, an electrode comprising the same, and a lithium-ion secondary battery comprising the same. The electrodeposited copper foil has a drum side and a deposited side opposing the drum side, wherein at least one of the drum side and the deposited side exhibits a void volume value (Vv) in the range of 0.17 ?m3/?m2 to 1.17 ?m3/?m2; and an absolute value of a difference between a maximum height (Sz) of the drum side and a Sz of the deposited side is in the range of less than 0.60 ?m.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: June 14, 2022
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Huei-Fang Huang, Chih-Chung Wu, Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 11359297
    Abstract: A method for electrolysis of water and a method for preparing a catalyst for electrolysis of water are provided. The method for electrolysis of water includes using a high entropy alloy as a catalyst. Further, the method for preparing a catalyst for electrolysis of water includes the steps of placing a substrate in an aqueous electrolyte containing a high entropy alloy precursor and performing an electroplating process on the substrate to form a high entropy alloy catalyst on the substrate.
    Type: Grant
    Filed: March 15, 2020
    Date of Patent: June 14, 2022
    Assignees: National Tsing Hua University, Chang Chun Plastics Co., Ltd., Chang Chun Petrochemical Co., Ltd., DAIREN CHEMICAL CORP.
    Inventors: Chun-Lung Huang, Shih-Yuan Lu
  • Publication number: 20220089396
    Abstract: A package structure of a roll-shaped thin film includes a thin film roll and a buffer layer. The thin film roll includes a winding core and a thin film wound around the winding core, and the buffer layer is wound around an outer circumference of the thin film. An end portion of the buffer layer is covered with an inner surface of an end portion of the thin film, and the thickness of the buffer layer is in a range of 1-20 mm.
    Type: Application
    Filed: September 16, 2021
    Publication date: March 24, 2022
    Applicant: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Ming-Yu Yang, Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 11283080
    Abstract: Provided are an electrodeposited copper foil, a current collector, an electrode, and a lithium-ion secondary battery comprising the same. The electrodeposited copper foil has a deposited side and a drum side opposite the deposited side. In a first aspect, ?RS between the deposited side and the drum side is at most about 95 MPa, and the deposited side exhibits a Vv in a range from about 0.15 ?m3/?m2 to about 1.35 ?m3/?m2. In a second aspect, the deposited side has a Sku of about 1.5 to about 6.5 and the deposited side exhibits a Vv in a range from about 0.15 ?m3/?m2 to about 1.35 ?m3/?m2. The characteristics are beneficial to improve the quality of the electrodeposited copper foil, thereby extending the charge-discharge cycle life of a lithium-ion secondary battery comprising the same.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: March 22, 2022
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Huei-Fang Huang, Ting-Chun Lai, Kuei-Sen Cheng, Jui-Chang Chou, Yao-Sheng Lai
  • Publication number: 20220010441
    Abstract: A method for electrolysis of water and a method for preparing a catalyst for electrolysis of water are provided. The method for electrolysis of water includes using a high entropy alloy as a catalyst. Further, the method for preparing a catalyst for electrolysis of water includes the steps of placing a substrate in an aqueous electrolyte containing a high entropy alloy precursor and performing an electroplating process on the substrate to form a high entropy alloy catalyst on the substrate.
    Type: Application
    Filed: September 22, 2021
    Publication date: January 13, 2022
    Applicants: National Tsing Hua University, Chang Chun Plastics Co., Ltd., Chang Chun Petrochemical Co., Ltd., DAIREN CHEMICAL CORP.
    Inventors: Chun-Lun Huang, Shih-Yuan Lu
  • Patent number: 11198770
    Abstract: The present disclosure relates to an interlayer film for laminated glass comprising: (a) polyvinyl butyral (PVB) resin having an average molecular weight (Mw) as measured by Gel Permeation Chromatography (GPC) from about 175,000 to about 210,000 Dalton; and (b) about 30 to about 50 parts per hundred (pph) of a plasticizer. The interlayer film interposed between two glass sheets forms laminated glass having a pummel adhesion value that is greater in an outer area of the laminated glass than in a middle area of the laminated glass after the laminated glass has been maintained at 50° C. and 95% relative humidity (RH) for 28 days. The laminated glass exhibits improved durability and does not delaminate over time, even in the presence of high temperature and humidity conditions.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: December 14, 2021
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Chin-Yen Chang, Cheng-Fan Wang
  • Patent number: 11141715
    Abstract: The present disclosure provides a method for fabricating a heterogeneous nickel-based catalyst on an aluminum oxide support. The method includes a solution preparation step, a drop-cast step, a first calcining step, and a second calcining step. The solution preparation step is provided for preparing a precursor solution. The drop-cast step is provided for dropping the precursor on the support. The first calcining step is provided for obtaining an oxidation state catalyst. The second calcining step is provided for obtaining the heterogeneous nickel-based catalysts on aluminum oxide support.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: October 12, 2021
    Assignees: National Tsing Hua University, Chang Chun Plastics Co., Ltd., Chang Chun Petrochemical Co., Ltd., Darien Chemical Corp.
    Inventors: De-Hao Tsai, Hung-Yen Chang, Guan-Hung Lai, Chih-Yuan Lin, Chun-Yu Lee, Chih-Cheng Chia, Chuen-Lih Hwang, Huan-Ming Chang
  • Patent number: 11145867
    Abstract: Surface-treated copper foils exhibiting a void volume (Vv) in a range of 0.4 to 2.2 ?m3/?m2 and an arithmetic mean waviness (Wa) lower than or equal to 0.4 ?m are reported. Where the surface-treated copper foil is treated on the drum side and includes a treatment layer comprising a nodule layer. Such surface-treated copper foils can be used as a conductive material having low transmission loss, for example in circuit boards.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: October 12, 2021
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Chien-Ming Lai, Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 11136441
    Abstract: A polymer film comprising polyvinyl acetal and a laminated glass manufactured using the same are provided. At least one surface of the polymer film has a void volume (Vv) value at a material ratio of 10% ranging from 2 ?m3/?m2 to 18 ?m3/?m2, wherein the void volume (Vv) and material ratio are defined in accordance with ISO 25178-2:2012.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: October 5, 2021
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Tzu-Jung Huang, Chin-Yen Chang, Cheng-Fan Wang
  • Patent number: 11124642
    Abstract: Provided is an ethylene-vinyl alcohol copolymer composition having improved oxygen barrier properties, wherein the ethylene-vinyl alcohol copolymer composition comprises an ethylene-vinyl alcohol copolymer; and a manganese content of about 0.01 ppm to 0.49 ppm.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: September 21, 2021
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Shih Yuan Su, Chih Chieh Liang, Wen Hsin Lin
  • Patent number: 11065846
    Abstract: A polymer film comprising polyvinyl acetal and a laminated glass manufactured using the same are provided. The polymer film has a 45-100° C. dimensional variability ranging from 20 ?m to 50 ?m, and at least one surface of the polymer film has a surface roughness Rz ranging from 30 ?m to 55 ?m.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: July 20, 2021
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Chin-Yen Chang, Cheng-Fan Wang
  • Publication number: 20210214852
    Abstract: A method for electrolysis of water and a method for preparing a catalyst for electrolysis of water are provided. The method for electrolysis of water includes using a high entropy alloy as a catalyst. Further, the method for preparing a catalyst for electrolysis of water includes the steps of placing a substrate in an aqueous electrolyte containing a high entropy alloy precursor and performing an electroplating process on the substrate to form a high entropy alloy catalyst on the substrate.
    Type: Application
    Filed: March 15, 2020
    Publication date: July 15, 2021
    Applicants: National Tsing Hua University, Chang Chun Plastics Co., Ltd., Chang Chun Petrochemical Co., Ltd., DAIREN CHEMICAL CORP.
    Inventors: Chun-Lung Huang, Shih-Yuan Lu
  • Patent number: 11050050
    Abstract: Provided are an electrolytic copper foil, an electrode, and a lithium-ion cell. The electrolytic copper foil comprising copper and chloride is analyzed by TOF-SIMS along its thickness direction to obtain a spectrum of a relative depth ratio as X-axis and a relative intensity of chloride versus copper as Y-axis. There is a chloride peak located between 20% and 80% of the relative depth ratio in the spectrum, and the chloride peak is characterized by a maximum relative intensity of chloride versus copper ranging from 0.77% to 5.13% and a full width at half maximum ranging from 2.31% to 5.78%. With above characteristics, the electrolytic copper foil has low density of copper particles, low degree of warpage, and good coating uniformity of the active material applied thereon, thereby optimizing the efficiency of a lithium-ion cell comprising the electrolytic copper foil.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: June 29, 2021
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Ting-Chun Lai, Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 11021599
    Abstract: Ethylene-vinyl alcohol copolymer resin composition pellet(s), films, and multi-layer structure formed therefrom, as well as methods for preparing such ethylene-vinyl alcohol copolymer resin composition pellets are provided herein. The ethylene-vinyl alcohol copolymer resin composition typically comprises at least two melting point temperatures, and a boron compound, wherein the ethylene-vinyl alcohol copolymer resin composition has a boron content of about 25 to about 300 ppm and has an iodine dyed region of about 0.1 mm2 or less after dripping 0.01 mL of iodine solution on the surface of the ethylene-vinyl alcohol copolymer resin composition, dipping the ethylene-vinyl alcohol copolymer resin composition into water for 5 seconds, and drying at a temperature of 120° C. for 2 hours.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: June 1, 2021
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD
    Inventors: Chih Chieh Liang, Wen Hsin Lin, Chao Hsiang Hsu